<?phpclass Home extends Controller {	function Home()	{		parent::Controller();		}		function index()	{		$this->load->view('header');		$this->load->view('home');		$this->load->view('footer');	}		function step_1()	{		$this->step_2();	}		function step_2()	{		$this->load->database();
		$this->load->dbforge();
		
		$this->checkForIncorrectVersionNumber();				// loop through and run all updates		while($this->_runUpgradeProcess())		{				echo "lolwut? ";flush();			continue;		}				$this->load->view('header');		$this->load->view('upgrade/step2');		$this->load->view('footer');	}	
	function checkForIncorrectVersionNumber()
	{
	    $q = $this->db->get_where('config', array('name' => '_db_version'))->row();
	    if($q->value == '2.0.0,0.2.0.0')
	    {
    	    $data = array('value' => '2.0.0,0.0.2.0');        	$this->db->where('name', '_db_version')->update('config', $data);
	    }
	}
		function _runUpgradeProcess()	{		$ver = $this->_getDbVersion();		if($ver != $this->_getFileVersion())		{			include(APPPATH.'sql/sql_'.$ver.'.php');			return true;		}		else		{			return false;		}	}		function _getDbVersion()	{		if($this->db->get_where('config', array('name' => '_db_version'))->num_rows() == 0)		{			// return original upgrade path			return '2.0.0,0.0.1.0';		}		return @$this->db->get_where('config', array('name' => '_db_version'))->row()->value;	}		function _getFileVersion()	{
	    include('../xu_ver.php');		return $version;	}}